Question

If y=-1 is a zero of the polynomial q (y) = 4y3 + ky2 - y -1, then find the value of k

Answer 1

Answer:

k = 4

Step-by-step explanation:

4(-1)³ + k(-1)² - (-1) - 1 = 0

- 4 + k + 1 - 1 = 0 ===> k = 4

Answer 2

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